8677 + Interview Questions in Maths in Class 14 Page 83 InterviewSolution

4101.	One children's day sweets were to be equally distributedamong 175 students in a school. Actually on that day 35children were absent and therefore each child got 4 sweetextra. How many sweets were available in all for distribution?
Answer» 2750 2672 2675 2800 Answer :D

Discussion

4102.	What is the smallest 9 digit number containing all the non-zero digits 1,2,..,9, which is divisible by 99?
Answer» 125364789 124365879 123475689 none of these Answer :D

Discussion

4103.	Find the remainder in expression– (2581 xx (2862)^(2) xx (2873)^(3))/(23)
Answer» 21 2 9 12 Answer :B

Discussion

4104.	If x+ (1)/(x) = sqrt3 find x^(102) + (1)/(x^(102))
Answer» ANSWER :`-2`

Discussion

4105.	An amount of money appreciates to Rs. 7000 after 4 years and to Rs. 10000 after 8 years at a certain compound interest compounded annually. The initial amount for money was :
Answer» ANSWER :RS. 4900

Discussion

4106.	In the New York Stock Exchange there are 45% female employees and thus the number of male employees is exceeded by 72.Hence the total no. of employees in the New stock Exchange is :
Answer» 540 720 7200 550 Answer :B

Discussion

4107.	P and Q invest some amount under SI and CI, repectively but for the same period at 6% per annum. Each gets a total amount of ₹ 65,000 at the end of 6 years Which of the following is definitely true? Q’s initial principal is less than that of P Q' s initial principal is equal to that of P P'spercentage earning is less than that of Q
Answer» (i) only (II) only (III) only (i) and (iii) only Answer :D

Discussion

4108.	If (8+3 sqrt7)^n =P+F, where P is an integer ad F is a proper fraction then
Answer» `(SQRT3)^5` 32 `(1.99)^5` 31.232 Answer :B

Discussion

4109.	Two trains A and B start simultaneously in the opposite direction from two points P and Q and arrive at their destinations 16 and 9 hours respectively after their meeting each other at what speed does the second train B travel if the first train travels at 120 km/h per hour:
Answer» 90 km/h 160 km/h 67.5 km/h none of these Answer :B

Discussion

4110.	If the side of a regular pentagon be 5 cm, find the circumference of the pentagon, in cm.
Answer» 21 20 30 25 Answer :B

Discussion

4111.	A marketing company conducted a survey among 10,000 person in Kanpur : It was observed that some people have more than one bike but from only one company i.e., a particular person can have more than one bike of HeroHonda, but not from bajaj etc. and vice versa. Thus there were total 12,000 bikes with 10,000 persons used for survey. There are only four compaies operating in this market. If each of Students, Govt. Servants and housewives use a Hero Honda bike (motorcycle), what per cent of the remaining people drive Hero Honda bike ?
Answer» `15%` `25%` `20%` NONE of these Answer :A

Discussion

4112.	Find the value of (cos2B-cos 2A)/(sin2A+sin2B):
Answer» TAN(A-B) COS(A-B) COT(A-B) tan(A+B) ANSWER :A

Discussion

4113.	I.25x^(2) + 25x+ 6 = 0 II.5y^(2) + 20y + 20 = 0
Answer» if` x GT y` if ` x lt y` if ` x LE y` if ` x GE y` Solution :` (5x+2)(5x+3) = 0` ` x = - 2/5, - 3/5 =- 0.4, - 0.6` `(5x+10)(x+2) = 0` `x = - 10/5 , -2 =- 2, -2` ` 0.4, -0.6, -2, -2` ` x gt y`

Discussion

4114.	Two persons A and B are running on a circular track at a speed of 15 m/s and 25 m/s respectively. The circumference of a circular track is 1200 m. If they start at the same place, at the same time and also in the same direction then find after how much time will they meet first? And also find after how much time will they reach at the starting point together.
Answer» SOLUTION :N/A

Discussion

4115.	If x+y +z= 21 then find the maximum value of (x-2) (y-1) (z+ 9)
Answer» ANSWER :729

Discussion

4116.	In a call centre at New Delhi, it is observed that it gets a call at a interval of every 10 minutes from California, at every 12 minutes from Texas, at the interval of 20 minutes from Washington DC and after every 25 minutes it gets the call from London.If in the early morning at 5: 00 a.m. It has recieved the calls simultanously from all the four destrinations, then at which time it will receive the calls at a time from all the places on the same day?
Answer» `10 : 00` a.m. `3 : 00` a.m. `5 : 00` p.m. both (a) and (b) ANSWER :D

Discussion

4117.	Two circles with centres P and Q intersect at B and C, A, D are points on the circles with centres P and Q respectively such that A, C, D are colliner. If angle APB = 130^(@), and angle BQD = x^(@), then the value of x is :
Answer» 65 130 195 135 Answer :B

Discussion

4118.	The value of p for which the difference between the roots of the equation x^(2) + px + 8 = 0 is 2, are
Answer» `PM2` `PM4` `PM6` `pm8` ANSWER :C

Discussion

4119.	In the right angle triangle angle C=90^@. AE and BD are two medians of a triangle ABC meeting at F. The ratio of the area of triangle ABF and the quadrilateral FDCE is :
Answer» A) 1:1 B) 1:2 C) 2:1 D) 2:3 Answer :A

Discussion

4120.	If 4 men, 3 women and 4 boys worked together everyday for 5 hours, then in how many days they have completed the work?
Answer» 3 4 8 6 Answer :C

Discussion

4121.	The units digit of every prime number (other than 2 and 5) must be necessarily :
Answer» 1,3 or 5 only 1,3,7 or 9 7 or 9 only 1 or 7 only Answer :B

Discussion

4122.	The value of log_(10)1 + log_(10) 10 + log_(10)100+…….. log_(10)(10000000000)
Answer» 10 11 11111111111 55 Answer :D

Discussion

4123.	Due to decrease in price of wheat by 10% , a person is able to buy 50 gram more wheat for Rs. 1. Find the amount of wheat a person was able to buy for Rs. 1 initially.
Answer» 400 450 500 600 Answer :450 GM

Discussion

4124.	If (n)^3-(n)^2-n = n, then the number of values of n that satisfy the given relation is :
Answer» A) 1 B) 2 C) 3 D) CND Answer :C

Discussion

4125.	If alpha, beta be the roots of the quadratic equation x^(2)-5x+k=0, find the value of k such that alpha-beta=1:
Answer» `(-4,27/4)` `(-2,27/4)` `(6,27/4)` `(6,OO)` ANSWER :C

Discussion

4126.	Find the total number of rectangles in a square having 10 rows and 10 columns
Answer» 3225 1625 1044 3025 Answer :D

Discussion

4127.	Indicom cell-phone is available for ₹ 2500 cash or ₹ 520 cash down payments followed by 4 equal monthly instalments. If the rate of interest charged is 25% per annum, calculate the monthly instalment
Answer» 520 480 550 none of these Answer :A

Discussion

4128.	(10^(1)+10^(2)+10^(3)------+10^(100))/(6)find R.
Answer» ANSWER :`=2`

Discussion

4129.	1178.999xx25.0001- sqrt(?) xx 16.0011= 29075
Answer» 5 15 575 625 Answer :D

Discussion

4130.	The positive root of the equation :x^(2/3)+5x^(1/3)−6=0 are
Answer» `1` `27` `7` `6` ANSWER :C

Discussion

4131.	Find compound interest on Rs. 5000 for 2 years at 4% per annum
Answer» ANSWER :RS. 408

Discussion

4132.	A student required 36%marks to pass in an examination. He scored 24% marks and failed by 18 marks. Find the passing mark.
Answer» ANSWER :54

Discussion

4133.	Mahatma gandhi was born on 2 october 1969 what was the day of the week
Answer» ANSWER :`before` 2 OCTOBER 1869 was SATURDAY

Discussion

4134.	A sheep and a goat are tethered at the diagonally opposite ends of a square field. The length of each rope they are attached by the post is 6m and the area of the field is 59m^2. Find the approx. area that cannot be grazed by either of them.
Answer» `3m^2` `4m^2` `7m^2` `8/pi m^2` ANSWER :B

Discussion

4135.	Mutiply 71 by 79.
Answer» SOLUTION :STEP 1: `9 xx 1 = 09` Step 2: `7 xx (7 + 1) = 56 71 xx 79 = 5609`

Discussion

4136.	What is the earning of Pujarin from the alms?
Answer» ₹1800 ₹2000 ₹3600 Can't be determined Answer :D

Discussion

4137.	A dealer gives as much discount (in per cent) as the markup (in per cent) above the cost price. What is the profit or loss per cent?
Answer» `10%` `1%` `4%` Can’t be determined Answer :D

Discussion

4138.	Find the total number of prime factors in 2^(17) xx 6^(31) xx 7^(5) xx 10^(11) xx 11^(10) xx (323)^(23).
Answer» `162` `161` `346` `97` ANSWER :A

Discussion

4139.	Solve the following expressions . (-2)^3 xx 5^2
Answer» ANSWER :200

Discussion

4140.	If a is a natural number, then the largest number dividing (a^(3)-a) is
Answer» 4 5 6 7 Answer :C

Discussion

4141.	A sum, at the compound rate of interest, becomes 2( 1/2 )times in 6 yr. The sum becomes what times in 18 yr?
Answer» `A) 5/(2)` `B) (25)/( 4)` C) 125/8 D) `( 625)/( 15)` Answer :C

Discussion

4142.	A pack of cards consists of 9 cards numbered 1 to 9. three cards are drawn at random with replacement. Then the probability of getting 1 even and 2 odd numbered cards is :
Answer» `3/143` `100/243` `50/343` `7/72` ANSWER :B

Discussion

4143.	cot7 0^@+4cos7 0^@
Answer» ANSWER :`SQRT(3)`

Discussion

4144.	0.0004 + 0.0001 xx 36.000009 = ?
Answer» ANSWER :C

Discussion

4145.	In an exam, a candidate secured 504 marks out of the maximum mark of 'M'. If the maximum mark 'M' is converted into 800 marks, he would have secured 384 marks. What is the value of 'M' ?
Answer» A) 910 B) 1000 C) 970 D) NONE of the above Answer :(1) Constant TERM = 11 (2)Constant term = 0 (3) Constant term = 9

Discussion

4146.	solve the following expression cos32^@ cdot cos28^@-sin32^@ cdot sin28^@:
Answer» 1 `1/2` 0 can't be determined Answer :B

Discussion

4147.	A thief somehow managed to steal some golden coins from a bank's cash but while coming out of it at the first door he was caught by the watch man and he successfully dealt him by paying 1 coin plus half of the rest coins. Further he had to pay 2 coins, hten half of the rest to the second watchman. Once again at the rest to the second watchman. Once agian at the third gate (outermost) he gave 3 coins and then half of the rest. After it he was left with only coin. How many coins had he stolen?
Answer» 32 36 25 none of these Answer :C

Discussion

4148.	Five boys and five girls are sitting in a row. Find the probability that All the boys are sitting together.
Answer» `3/35` `43/49` `41/42` `1/42` ANSWER :C

Discussion

4149.	4//7 of a pole in the mud. When 1//3 of it is pulled out, 250 cm of the pole is still in the mud. Find the full length of the pole.
Answer» 1000 1100 950 1050 Answer :D

Discussion

4150.	If a^(x)=b,b^(y)=candxyz=2, then c^(z)=?
Answer» a b ab a/b Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

One children's day sweets were to be equally distributedamong 175 students in a school. Actually on that day 35children were absent and therefore each child got 4 sweetextra. How many sweets were available in all for distribution?

What is the smallest 9 digit number containing all the non-zero digits 1,2,..,9, which is divisible by 99?

Find the remainder in expression– (2581 xx (2862)^(2) xx (2873)^(3))/(23)

If x+ (1)/(x) = sqrt3 find x^(102) + (1)/(x^(102))

An amount of money appreciates to Rs. 7000 after 4 years and to Rs. 10000 after 8 years at a certain compound interest compounded annually. The initial amount for money was :

In the New York Stock Exchange there are 45% female employees and thus the number of male employees is exceeded by 72.Hence the total no. of employees in the New stock Exchange is :

If (8+3 sqrt7)^n =P+F, where P is an integer ad F is a proper fraction then

Two trains A and B start simultaneously in the opposite direction from two points P and Q and arrive at their destinations 16 and 9 hours respectively after their meeting each other at what speed does the second train B travel if the first train travels at 120 km/h per hour:

If the side of a regular pentagon be 5 cm, find the circumference of the pentagon, in cm.

Find the value of (cos2B-cos 2A)/(sin2A+sin2B):

I.25x^(2) + 25x+ 6 = 0 II.5y^(2) + 20y + 20 = 0

If x+y +z= 21 then find the maximum value of (x-2) (y-1) (z+ 9)

Two circles with centres P and Q intersect at B and C, A, D are points on the circles with centres P and Q respectively such that A, C, D are colliner. If angle APB = 130^(@), and angle BQD = x^(@), then the value of x is :

The value of p for which the difference between the roots of the equation x^(2) + px + 8 = 0 is 2, are

In the right angle triangle angle C=90^@. AE and BD are two medians of a triangle ABC meeting at F. The ratio of the area of triangle ABF and the quadrilateral FDCE is :

If 4 men, 3 women and 4 boys worked together everyday for 5 hours, then in how many days they have completed the work?

The units digit of every prime number (other than 2 and 5) must be necessarily :

The value of log_(10)1 + log_(10) 10 + log_(10)100+…….. log_(10)(10000000000)

Due to decrease in price of wheat by 10% , a person is able to buy 50 gram more wheat for Rs. 1. Find the amount of wheat a person was able to buy for Rs. 1 initially.

If (n)^3-(n)^2-n = n, then the number of values of n that satisfy the given relation is :

If alpha, beta be the roots of the quadratic equation x^(2)-5x+k=0, find the value of k such that alpha-beta=1:

Find the total number of rectangles in a square having 10 rows and 10 columns

Indicom cell-phone is available for ₹ 2500 cash or ₹ 520 cash down payments followed by 4 equal monthly instalments. If the rate of interest charged is 25% per annum, calculate the monthly instalment

(10^(1)+10^(2)+10^(3)------+10^(100))/(6)find R.

1178.999xx25.0001- sqrt(?) xx 16.0011= 29075

The positive root of the equation :x^(2/3)+5x^(1/3)−6=0 are

Find compound interest on Rs. 5000 for 2 years at 4% per annum

A student required 36%marks to pass in an examination. He scored 24% marks and failed by 18 marks. Find the passing mark.

Mahatma gandhi was born on 2 october 1969 what was the day of the week

A sheep and a goat are tethered at the diagonally opposite ends of a square field. The length of each rope they are attached by the post is 6m and the area of the field is 59m^2. Find the approx. area that cannot be grazed by either of them.

Mutiply 71 by 79.

What is the earning of Pujarin from the alms?

A dealer gives as much discount (in per cent) as the markup (in per cent) above the cost price. What is the profit or loss per cent?

Find the total number of prime factors in 2^(17) xx 6^(31) xx 7^(5) xx 10^(11) xx 11^(10) xx (323)^(23).

Solve the following expressions . (-2)^3 xx 5^2

If a is a natural number, then the largest number dividing (a^(3)-a) is

A sum, at the compound rate of interest, becomes 2( 1/2 )times in 6 yr. The sum becomes what times in 18 yr?

A pack of cards consists of 9 cards numbered 1 to 9. three cards are drawn at random with replacement. Then the probability of getting 1 even and 2 odd numbered cards is :

cot7 0^@+4cos7 0^@

0.0004 + 0.0001 xx 36.000009 = ?

In an exam, a candidate secured 504 marks out of the maximum mark of 'M'. If the maximum mark 'M' is converted into 800 marks, he would have secured 384 marks. What is the value of 'M' ?

solve the following expression cos32^@ cdot cos28^@-sin32^@ cdot sin28^@:

Five boys and five girls are sitting in a row. Find the probability that All the boys are sitting together.

4//7 of a pole in the mud. When 1//3 of it is pulled out, 250 cm of the pole is still in the mud. Find the full length of the pole.

If a^(x)=b,b^(y)=candxyz=2, then c^(z)=?